crosstyanandClaude Fable 5
c948c7565c
Merged from the three drifted hand-copies in TrackBackFwd, healthy-band-nrf and zephyr_gateway_fwd: - as_u8s(T&) overloads and deferrer (band/hub side) - hexdump, add_overflow, constrain_value_in_range_static, to_mac_string (TrackBackFwd side) - add_overflow now returns std::expected directly instead of the app_result alias; to_mac_string guarded by __cpp_lib_format for GCC 12 toolchains - app_clock.hpp now() selects k_uptime_ticks / esp_timer_get_time via __ZEPHYR__ / ESP_PLATFORM; fixed doc comment (microseconds, not ms) - dropped vestigial esp_err.h/esp_system.h/FreeRTOS.h includes Dual build glue: ESP-IDF component (root CMakeLists) + Zephyr module (zephyr/). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#pragma once
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#include <chrono>
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#include <cstdint>
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#include <ratio>
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#if defined(__ZEPHYR__)
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#include <zephyr/kernel.h>
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#elif defined(ESP_PLATFORM)
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#include <esp_timer.h>
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#else
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#error "app_clock.hpp: unsupported platform (expected Zephyr or ESP-IDF)"
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#endif
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namespace app::utils {
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/**
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* @brief a monotonic clock with microsecond resolution
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* @see https://en.cppreference.com/w/cpp/named_req/TrivialClock.html
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* @see https://en.cppreference.com/w/cpp/named_req/Clock.html
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*/
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struct clock_t {
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using rep = int64_t; // signed arithmetic type for tick count
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using period = std::micro; // tick period in seconds (1/1000000)
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using duration = std::chrono::duration<rep, period>;
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using time_point = std::chrono::time_point<clock_t>;
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static constexpr bool is_steady = true;
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static time_point now() {
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#if defined(__ZEPHYR__)
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auto t = k_uptime_ticks();
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auto dur = k_ticks_to_us_floor64(t);
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return time_point(duration(static_cast<rep>(dur)));
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#else
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return time_point(duration(static_cast<rep>(esp_timer_get_time())));
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#endif
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}
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};
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using milliseconds = std::chrono::duration<int32_t, std::milli>;
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}
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